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High resolution emission spectra of one second delayed fluorescence from chloroplasts
Author(s) -
Hideg Éva,
Scott R.Q.,
Inaba Humio
Publication year - 1989
Publication title -
febs letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.593
H-Index - 257
eISSN - 1873-3468
pISSN - 0014-5793
DOI - 10.1016/0014-5793(89)80737-9
Subject(s) - fluorescence , photochemistry , photosystem ii , emission spectrum , spectral line , chemistry , antenna (radio) , chloroplast , biophysics , analytical chemistry (journal) , optics , photosynthesis , biology , physics , biochemistry , astronomy , chromatography , computer science , telecommunications , gene
The first well resolved emission spectra of white light‐illuminated spinach chloroplasts at room temperature show that one second delayed fluorescence occurs at 685 nm. We demonstrate that reabsorption of this delayed fluorescence induces the second (probably prompt) emission observed at 730 nm and which we identify with the photosystem I peripheral antenna system.